$OpenBSD: patch-swap_h,v 1.1 2012/01/25 22:00:15 dcoppa Exp $
--- swap.h.orig	Mon Mar 29 01:58:51 2010
+++ swap.h	Wed Jan 25 15:56:26 2012
@@ -26,6 +26,7 @@
 
 #include "config/config.h"
 
+#if !defined(__OpenBSD__)
 #define swap16(x) \
 	((uint16_t)( \
 		(((uint16_t)(x) & (uint16_t)0x00ffU) << 8) | \
@@ -48,6 +49,7 @@
 		(((uint64_t)(x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \
 		(((uint64_t)(x) & (uint64_t)0x000000000000ff00ULL) << 40) | \
 		(((uint64_t)(x) & (uint64_t)0x00000000000000ffULL) << 56) ))
+#endif
 
 #if config_endian == 0
 # define U16LE(x)		swap16(x)
